The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

For example

Vivo Z1 Lite

5.has an IPS screen

Nokia 3310 (2017)

IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.

For example

Vivo Z1 Lite

6.has a touch screen

Nokia 3310 (2017)

You can operate the device easily, by pressing the screen with your fingers.

For example

Vivo Z1 Lite

Performance

1.has an external memory slot

Nokia 3310 (2017)

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.

2.internal storage

10MB

Best

Smartisan Nut R1

1024GB

3. more external memory supported

32GB

The maximum amount of external storage memory supported by the the device.

Best

Asus Zenfone Max Pro M2 (64GB / 4GB RAM)

2000GB

Cameras

1.video recording (main camera)

720 x 30fps

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.

Best

Crosscall Trekker-X4

1080 x 120fps

2.has a flash

Nokia 3310 (2017)

A flash is good for low-light environments, and can sometimes be used as flashlight.

3. more flash LEDs

1

Multi-LED camera flashes use LED lights which have different color temperatures (warm light and cool light), improving the color balance based on the conditions in which the photos are taken.

Best

Meizu 15 Lite

6

4.optical zoom

0x

The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.

Best

Samsung Galaxy K Zoom

10x

5.has touch autofocus

Nokia 3310 (2017)

The autofocus is immediately set to the subject by just touching it on the touch screen.

For example

Huawei Honor View 20

Audio

1.has stereo speakers

Nokia 3310 (2017)

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

For example

Lenovo Z5s

2.has a socket for a 3.5 mm audio jack

Nokia 3310 (2017)

With a standard mini jack socket, you can use the device with most headphones.

3.number of microphones

1

More microphones result in better sound quality and enable the device to filter out background noise.

Best

Motorola Moto Z3

4

4.has a radio

Nokia 3310 (2017)

It works as an FM radio with included headsets

Battery

1.battery power

1200mAh

Best

Energizer Power Max P16K Pro

16000mAh

2. longer battery life

22h

The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.

Best

Vernee V2 Pro

96h

3.has a removable battery

Nokia 3310 (2017)

The battery is removable and can be replaced by the user if broken.

4.has a battery level indicator

Nokia 3310 (2017)

An indicator shows you when the device has low battery.

5.has a rechargeable battery

Nokia 3310 (2017)

The battery can be recharged and used over again.

Features

1.USB version

2

Newer USB versions are faster and have better power management.

Best

Huawei Honor View 20

3.1

2.Has fast 802.11ac WiFi connection

Nokia 3310 (2017)

802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability and improved power consumption. It provides advantages for gaming and HD video streaming.

For example

Ulefone Armor 6

3.Is DLNA certified

Nokia 3310 (2017)

All DLNA certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.

For example

Nokia 8.1

4.Bluetooth version

3

Best

Samsung Galaxy S8 Active

5.1

5.Has WiFi

Nokia 3310 (2017)

The device can connect to WiFi.

6.Has 802.11n WiFi connection

Nokia 3310 (2017)

802.11n is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors - a, b and g.